Selina Llewellyn teaches English at Skyridge High School in Lehi, Utah. It’s not unusual for her to have a bunch of kids eating lunch in her classroom, but recently, she had one boy come in to talk to her privately.

More millennials get political news from Facebook than from CNN, the second highest news contender, according to a 2014 Pew Research Center study. And the two weren’t even close — Facebook beat the network by 17 percent.